MIL-L-23250B, MILITARY SPECIFICATION: LATHES, ENGINE OR TOOL ROOM, BACK GEAR, BELT DRIVE, 12 INCH THROUGH 17 INCH (15-JUL-1975) [NO S/S DOCUMENT]

MIL-L-23250B, MILITARY SPECIFICATION: LATHES, ENGINE OR TOOL ROOM, BACK GEAR, BELT DRIVE, 12 INCH THROUGH 17 INCH (15-JUL-1975) [NO S/S DOCUMENT]., This specification covers metal turning and thread cutting lathes with electric motor and back gear, belt drive, for use in general machine shop or toolroom operations.